<div><div style="font-size: 12px;">Hi guys:</div><div style="font-size: 12px;"><br></div><div style="font-size: 12px;">I config squid.conf with</div><div style="font-size: 12px;"><br></div><div style="font-size: 12px;">```</div><div style="font-size: 12px;"><div>acl subnet src 192.168.0.0/16</div><div>on_unsupported_protocol tunnel subnet</div></div><div style="font-size: 12px;">```</div><div style="font-size: 12px;"><br></div><div style="font-size: 12px;">But I still got the error message as below, did I do something wrong ?</div><div style="font-size: 12px;"><br></div><div style="font-size: 12px;"><div>2017/03/16 17:36:46.496| 5,2| TcpAcceptor.cc(226) doAccept: New connection on FD 15</div><div>2017/03/16 17:36:46.496| 5,2| TcpAcceptor.cc(315) acceptNext: connection on local=[::]:3128 remote=[::] FD 15 flags=41</div><div>2017/03/16 17:36:46.499| 33,2| Http1Server.cc(101) buildHttpRequest: Invalid Request</div><div>2017/03/16 17:36:46.499| 4,2| errorpage.cc(1260) BuildContent: No existing error page language negotiated for ERR_PROTOCOL_UNKNOWN. Using default error file.</div><div>2017/03/16 17:36:46.499| 20,2| store.cc(990) checkCachable: StoreEntry::checkCachable: NO: not cachable</div><div>2017/03/16 17:36:46.499| 20,2| store.cc(990) checkCachable: StoreEntry::checkCachable: NO: not cachable</div><div>2017/03/16 17:36:46.499| 20,2| store.cc(990) checkCachable: StoreEntry::checkCachable: NO: not cachable</div><div>2017/03/16 17:36:46.499| 88,2| client_side_reply.cc(2084) processReplyAccessResult: The reply for NONE error:invalid-request is ALLOWED, because it matched (access_log /mnt/squid/access.log line)</div><div>2017/03/16 17:36:46.500| 11,2| Stream.cc(266) sendStartOfMessage: HTTP Client local=157.255.139.239:80 remote=192.168.56.167:55904 FD 14 flags=33</div><div>2017/03/16 17:36:46.500| 11,2| Stream.cc(267) sendStartOfMessage: HTTP Client REPLY:</div><div>---------</div><div>HTTP/1.1 400 Bad Request</div><div>Server: squid/4.0.18</div><div>Mime-Version: 1.0</div><div>Date: Thu, 16 Mar 2017 09:36:46 GMT</div><div>Content-Type: text/html;charset=utf-8</div><div>Content-Length: 53</div><div>X-Squid-Error: ERR_PROTOCOL_UNKNOWN 0</div><div>Content-Language: en</div><div>X-Cache: MISS from MagicWiFi</div><div>X-Cache-Lookup: NONE from MagicWiFi:3128</div><div>Connection: close</div><div><br></div><div><br></div><div>----------</div><div>2017/03/16 17:36:46.500| 20,2| store.cc(990) checkCachable: StoreEntry::checkCachable: NO: not cachable</div><div>2017/03/16 17:36:46.500| 33,2| client_side.cc(896) kick: local=157.255.139.239:80 remote=192.168.56.167:55904 flags=33 Connection was closed</div><div>2017/03/16 17:36:46.500| 33,2| client_side.cc(588) swanSong: local=157.255.139.239:80 remote=192.168.56.167:55904 flags=33</div><div>2017/03/16 17:36:53.314| 5,2| TcpAcceptor.cc(226) doAccept: New connection on FD 15</div><div>2017/03/16 17:36:53.314| 5,2| TcpAcceptor.cc(315) acceptNext: connection on local=[::]:3128 remote=[::] FD 15 flags=41</div><div>2017/03/16 17:36:53.320| 33,2| Http1Server.cc(101) buildHttpRequest: Invalid Request</div><div>2017/03/16 17:36:53.320| 4,2| errorpage.cc(1260) BuildContent: No existing error page language negotiated for ERR_PROTOCOL_UNKNOWN. Using default error file.</div><div>2017/03/16 17:36:53.320| 20,2| store.cc(990) checkCachable: StoreEntry::checkCachable: NO: not cachable</div><div>2017/03/16 17:36:53.320| 20,2| store.cc(990) checkCachable: StoreEntry::checkCachable: NO: not cachable</div><div>2017/03/16 17:36:53.321| 20,2| store.cc(990) checkCachable: StoreEntry::checkCachable: NO: not cachable</div><div>2017/03/16 17:36:53.321| 88,2| client_side_reply.cc(2084) processReplyAccessResult: The reply for NONE error:invalid-request is ALLOWED, because it matched (access_log /mnt/squid/access.log line)</div><div>2017/03/16 17:36:53.321| 11,2| Stream.cc(266) sendStartOfMessage: HTTP Client local=157.255.139.239:80 remote=192.168.56.167:55905 FD 14 flags=33</div><div>2017/03/16 17:36:53.321| 11,2| Stream.cc(267) sendStartOfMessage: HTTP Client REPLY:</div><div>---------</div><div>HTTP/1.1 400 Bad Request</div><div>Server: squid/4.0.18</div><div>Mime-Version: 1.0</div><div>Date: Thu, 16 Mar 2017 09:36:53 GMT</div><div>Content-Type: text/html;charset=utf-8</div><div>Content-Length: 53</div><div>X-Squid-Error: ERR_PROTOCOL_UNKNOWN 0</div><div>Content-Language: en</div><div>X-Cache: MISS from MagicWiFi</div><div>X-Cache-Lookup: NONE from MagicWiFi:3128</div><div>Connection: close</div><div><br></div><div><br></div><div>----------</div><div>2017/03/16 17:36:53.321| 20,2| store.cc(990) checkCachable: StoreEntry::checkCachable: NO: not cachable</div><div>2017/03/16 17:36:53.321| 33,2| client_side.cc(896) kick: local=157.255.139.239:80 remote=192.168.56.167:55905 flags=33 Connection was closed</div><div>2017/03/16 17:36:53.321| 33,2| client_side.cc(588) swanSong: local=157.255.139.239:80 remote=192.168.56.167:55905 flags=33</div><div>2017/03/16 17:36:58.005| 5,2| TcpAcceptor.cc(226) doAccept: New connection on FD 15</div><div>2017/03/16 17:36:58.005| 5,2| TcpAcceptor.cc(315) acceptNext: connection on local=[::]:3128 remote=[::] FD 15 flags=41</div><div>2017/03/16 17:36:58.013| 33,2| Http1Server.cc(101) buildHttpRequest: Invalid Request</div><div>2017/03/16 17:36:58.013| 4,2| errorpage.cc(1260) BuildContent: No existing error page language negotiated for ERR_PROTOCOL_UNKNOWN. Using default error file.</div><div>2017/03/16 17:36:58.013| 20,2| store.cc(990) checkCachable: StoreEntry::checkCachable: NO: not cachable</div><div>2017/03/16 17:36:58.013| 20,2| store.cc(990) checkCachable: StoreEntry::checkCachable: NO: not cachable</div><div>2017/03/16 17:36:58.013| 20,2| store.cc(990) checkCachable: StoreEntry::checkCachable: NO: not cachable</div><div>2017/03/16 17:36:58.013| 88,2| client_side_reply.cc(2084) processReplyAccessResult: The reply for NONE error:invalid-request is ALLOWED, because it matched (access_log /mnt/squid/access.log line)</div><div>2017/03/16 17:36:58.014| 11,2| Stream.cc(266) sendStartOfMessage: HTTP Client local=157.255.40.106:80 remote=192.168.56.167:55906 FD 14 flags=33</div><div>2017/03/16 17:36:58.014| 11,2| Stream.cc(267) sendStartOfMessage: HTTP Client REPLY:</div><div>---------</div><div>HTTP/1.1 400 Bad Request</div><div>Server: squid/4.0.18</div><div>Mime-Version: 1.0</div><div>Date: Thu, 16 Mar 2017 09:36:58 GMT</div><div>Content-Type: text/html;charset=utf-8</div><div>Content-Length: 53</div><div>X-Squid-Error: ERR_PROTOCOL_UNKNOWN 0</div><div>Content-Language: en</div><div>X-Cache: MISS from MagicWiFi</div><div>X-Cache-Lookup: NONE from MagicWiFi:3128</div><div>Connection: close</div><div><br></div><div><br></div><div>----------</div><div>2017/03/16 17:36:58.014| 20,2| store.cc(990) checkCachable: StoreEntry::checkCachable: NO: not cachable</div><div>2017/03/16 17:36:58.014| 33,2| client_side.cc(896) kick: local=157.255.40.106:80 remote=192.168.56.167:55906 flags=33 Connection was closed</div><div>2017/03/16 17:36:58.014| 33,2| client_side.cc(588) swanSong: local=157.255.40.106:80 remote=192.168.56.167:55906 flags=33</div><div>2017/03/16 17:36:58.595| 5,2| TcpAcceptor.cc(226) doAccept: New connection on FD 15</div><div>2017/03/16 17:36:58.595| 5,2| TcpAcceptor.cc(315) acceptNext: connection on local=[::]:3128 remote=[::] FD 15 flags=41</div><div>2017/03/16 17:36:58.599| 33,2| Http1Server.cc(101) buildHttpRequest: Invalid Request</div><div>2017/03/16 17:36:58.599| 4,2| errorpage.cc(1260) BuildContent: No existing error page language negotiated for ERR_PROTOCOL_UNKNOWN. Using default error file.</div><div>2017/03/16 17:36:58.599| 20,2| store.cc(990) checkCachable: StoreEntry::checkCachable: NO: not cachable</div><div>2017/03/16 17:36:58.599| 20,2| store.cc(990) checkCachable: StoreEntry::checkCachable: NO: not cachable</div><div>2017/03/16 17:36:58.599| 20,2| store.cc(990) checkCachable: StoreEntry::checkCachable: NO: not cachable</div><div>2017/03/16 17:36:58.599| 88,2| client_side_reply.cc(2084) processReplyAccessResult: The reply for NONE error:invalid-request is ALLOWED, because it matched (access_log /mnt/squid/access.log line)</div><div>2017/03/16 17:36:58.599| 11,2| Stream.cc(266) sendStartOfMessage: HTTP Client local=157.255.40.106:80 remote=192.168.56.167:55907 FD 14 flags=33</div><div>2017/03/16 17:36:58.599| 11,2| Stream.cc(267) sendStartOfMessage: HTTP Client REPLY:</div><div>---------</div><div>HTTP/1.1 400 Bad Request</div><div>Server: squid/4.0.18</div><div>Mime-Version: 1.0</div><div>Date: Thu, 16 Mar 2017 09:36:58 GMT</div><div>Content-Type: text/html;charset=utf-8</div><div>Content-Length: 53</div><div>X-Squid-Error: ERR_PROTOCOL_UNKNOWN 0</div><div>Content-Language: en</div><div>X-Cache: MISS from MagicWiFi</div><div>X-Cache-Lookup: NONE from MagicWiFi:3128</div><div>Connection: close</div></div><div style="font-size: 12px;"><br></div><div style="font-size: 12px;"><br></div></div><div><br></div><div><sign signid="0"><div style="color:#909090;font-family:Arial Narrow;font-size:12px"><br><br><br><br>------------------</div><div style="font-size:14px;font-family:Verdana;color:#000;"><p style="text-align:justify;text-justify:inter-ideograph"><span style=";font-family:宋体;color:rgb(23,28,134);font-size:13px">钱国正 Richard</span></p><p style="text-align:justify;text-justify:inter-ideograph"><font color="#171c86" face="宋体"><span style="font-size: 13px;">嵌入式工程师</span></font></p><p style="text-align:justify;text-justify:inter-ideograph"><span style="color: rgb(23, 28, 134); font-size: 13px; font-family: 宋体;">深圳市柠檬网联科技股份有限公司</span></p><p style="text-align:justify;text-justify:inter-ideograph"><span style=";font-family:宋体;color:rgb(23,28,134);font-size:13px">Shenzhen Lemon Network Technology CO.,Ltd</span></p><p style="text-align:justify;text-justify:inter-ideograph"><br></p><p style="text-align:justify;text-justify:inter-ideograph"><span style=";font-family:宋体;color:rgb(23,28,134);font-size:13px"><span style="font-family:宋体">手机</span>/Mobile<span style="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